ASRock B550 Phantom Gaming 4/ac AMD AM4 ATX Motherboard

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Description reviews

Product Information

SKU

433656

Mfr Part#

MBB550PHANTOMGA

UPC

4710483931512

General Specifications

Packaging

Retail

Chipset

AMD B550

BIOS

256Mb AMI UEFI Bios

Manageability

SM BIOS 2.3
ACPI 5.1

CPU Support

AMD CPU Support

Ryzen

Socket Type

AM4

Memory Specifications

ECC

Non-ECC; Non-Registered

Memory Type

DDR4-2133
DDR4-2400
DDR4-2667
DDR4-2933
DDR4-3200

Memory Speeds Supported

4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133

Memory Slots

4 x 288pin DIMM

Memory Channel Support

Dual Channel

Max Memory Supported

128GB

Maximum Memory Supported Per Slot

32GB

Supported Memory Technologies

Non-ECC Memory Supported

Video Specifications

Onboard Graphic Chipset

Requires CPU with Integrated Graphics

Multi-GPU Support

2-Way CrossFireX

Storage Specifications

M.2 Port Type

2260
2280
22110

SATA Express

1 x M.2 Socket 3
M Key

SATA 6Gb/s

RAID Support

RAID 0
RAID 1
RAID 10

Audio Specifications

Audio Chipset

Realtek ALC1200

Audio Channels

7.1

Networking

WiFi Support

V-M.2 Slot

LAN Chipset

Realtek RTL8111H

LAN Speed

10/100/1000Mbps

Wireless Technology

802.11b
802.11g
802.11a
Bluetooth v4.2
WiFi 5 (802.11ac)

Expansion Slots

PCI Express 4.0 x16

PCI Express x1

Back Panel Ports

Legacy Ports

1 x PS/2

LAN Ports

1 x 10/100/1000 RJ-45 LAN

Audio Ports

1 x 3.5 mm Microphone
1 x 3.5 mm Line-In
1 x 3.5 mm Line-Out

USB 3.1

6 x USB 3.2 (Gen 1 Type-A)

Video Connectors

1 x HDMI 2.1

Specialty Ports

2 x WiFi Antenna Ports

Internal I/O & Connectors

Headers

1 x CPU Fan Header
4 x System Fan Header
1 x Water Pump Header

USB

2 x USB 2.0 Headers (4 Ports)
1 x USB 3.2 Gen 1 Type-A Header (2 Ports)

Power

Power Connectors

1 x 24-pin ATX Connector
1 x 8-pin +12 V Connector
1 x 4-pin +12 V Connector

ATX Connector

24-pin

Physical Specifications

Depth

12.00 in. (305.00 mm)

Width

9.60 in. (243.84 mm)

Form Factor

ATX

Warranty

Parts

3 Years

Labor

3 Years

Package Contents

What's in the Box

Motherboard, Driver Disk, 2x SATA Cables, WiFi Antennas, M.2 Screws, I/O Shield

Download

Reginald Christiansen

03-04-2025

I recently upgraded to the ASRock B550 Phantom Gaming 4/ac and it's been a fantastic addition to my setup!
Kayli Daugherty

03-06-2025

The built-in WiFi on this motherboard is a game-changer for my gaming room.
Eleazar Harvey

04-05-2025

Excellent performance for the price, highly recommend for budget builds.
Theresia Kerluke

02-06-2025

I love the sleek design and how well it fits into my ATX case.
Donny Champlin Sr.

26-01-2025

The BIOS is user-friendly and easy to navigate, making overclocking a breeze.
Mr. Darius Witting Jr.

04-02-2025

Had some issues with RAM compatibility, but customer support was helpful.
Missouri Jakubowski PhD

10-06-2025

Great motherboard but wish it had more USB ports for peripherals.
Miss Nina Bartoletti

22-02-2025

My Ryzen 5 works perfectly with this board, no issues at all!
Treva Brown

01-04-2025

The RGB lighting options are a nice touch for customizing my setup.
Mrs. Tess Wunsch

16-03-2025

Installation was straightforward, even for a beginner like me.
Dr. Aracely Beahan IV

16-03-2025

Disappointed that it doesn't support PCIe 4.0, but still performs well.
Yadira Gleason

07-04-2025

The included WiFi antenna gives me strong, stable connections during gaming sessions.
Donny Champlin Sr.

05-04-2025

Perfect choice for anyone looking to build a mid-range gaming PC.
Annette Williamson

10-06-2025

Had to update the BIOS to get everything working smoothly, but it's running great now.
Brendon Beer

14-02-2025

Overall, a solid motherboard with great features for the price point.
Eleazar Harvey

08-05-2025

I recently installed the ASRock B550 Phantom Gaming 4/ac and I'm impressed with its performance and stability!
Hazel Jerde

11-06-2025

Great value for money. This motherboard has all the features I need for my gaming setup.
Mrs. Naomi O'Conner PhD

05-06-2025

The Wi-Fi connectivity on this motherboard is excellent; I haven't experienced any drops or lag.
Cierra Botsford

08-01-2025

I've been using this motherboard for a month now without any issues. Highly recommend it!
Darron Jakubowski

18-03-2025

The BIOS interface is user-friendly and allows for easy tweaking and overclocking.
Bret Schinner

05-01-2025

Fantastic motherboard for casual gamers and enthusiasts alike.
Prof. Gail Jones DDS

08-01-2025

The build quality is solid, and it feels like a premium product.
Boyd Metz

14-01-2025

I appreciate the number of USB ports available; it’s perfect for all my peripherals.
Fatima Kihn MD

29-03-2025

The onboard audio is surprisingly good, enhancing my gaming experience.
Otilia Cremin

26-03-2025

I had a minor issue with the RAM compatibility, but customer service was helpful and resolved it quickly.
Hazel Jerde

05-01-2025

This motherboard supports fast data transfer rates, which is great for gaming and content creation.
Cheyenne Boyle

29-05-2025

The ASRock B550 Phantom Gaming 4/ac provides excellent value with its robust set of features.
Myrtice Abbott

21-02-2025

I wish it had more PCIe slots, but overall, I'm satisfied with my purchase.
Eulalia Fahey

11-02-2025

The included software utilities are useful for optimizing system performance.
Rose Mayer Jr.

21-12-2024

My first time building a PC and this motherboard made it a breeze!

ASRock B550 Phantom Gaming 4/ac AMD AM4 ATX Motherboard

Product Information

General Specifications

Chipset

CPU Support

Memory Specifications

Video Specifications

Storage Specifications

Audio Specifications

Networking

Expansion Slots

Back Panel Ports

Internal I/O & Connectors

Power

Physical Specifications

Warranty

Package Contents

Reginald Christiansen

Kayli Daugherty

Eleazar Harvey

Theresia Kerluke

Donny Champlin Sr.

Mr. Darius Witting Jr.

Missouri Jakubowski PhD

Miss Nina Bartoletti

Treva Brown

Mrs. Tess Wunsch

Dr. Aracely Beahan IV

Yadira Gleason

Donny Champlin Sr.

Annette Williamson

Brendon Beer

Eleazar Harvey

Hazel Jerde

Mrs. Naomi O'Conner PhD

Cierra Botsford

Darron Jakubowski

Bret Schinner

Prof. Gail Jones DDS

Boyd Metz

Fatima Kihn MD

Otilia Cremin

Hazel Jerde

Cheyenne Boyle

Myrtice Abbott

Eulalia Fahey

Rose Mayer Jr.

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